package com.zhangshitong.common;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component("applicationContextHelper")
public class ApplicationContextHelper implements ApplicationContextAware{

	 private static ApplicationContext applicationContext;

	    public void setApplicationContext(ApplicationContext context) throws BeansException {
	        applicationContext = context;
	    }

	    public static <T> T popBean(Class<T> clazz) {
	        if (applicationContext == null) {
	            return null;
	        }
	        return applicationContext.getBean(clazz);
	    }

	    public static <T> T popBean(String name, Class<T> clazz) {
	        if (applicationContext == null) {
	            return null;
	        }
	        return applicationContext.getBean(name, clazz);
	    }

}
